Ninja tank covers are available in 68CI and 50CI sizes (this is the 50CI). These covers will protect you tank from knocks and dings. The Silicone “N” on the back will grip the tank to your shoulder when you aim.
68CI fits 68/4500, 48/3000, and 70/4500
50CI fits 50/4500, and 48/4500
(HPA Air tank in picture does not come with the cover)